AutoCodes – Ford – P0198 2007 Ford Fusion

P0198 2007 Ford Fusion Code - Engine Oil Temperature Sensor Circuit High Input

Quick Answer

The Powertrain Control Module (PCM) monitors the Engine Oil Temperature (EOT) Sensor. Common causes include Faulty Engine Oil Temperature sensor, Engine Oil Temperature sensor harness is open or shorted, Engine Oil Temperature sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0198 2007 Ford Fusion indicates Engine Oil Temperature Sensor Circuit High Input.
Common causes: Common causes include Faulty Engine Oil Temperature sensor, Engine Oil Temperature sensor harness is open or shorted, Engine Oil Temperature sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,968

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0198 2007 Ford Fusion Description

The Powertrain Control Module (PCM) monitors the Engine Oil Temperature (EOT) Sensor. The PCM sets the Diagnostic Trouble Code (DTC) when the Engine Oil Temperature Sensor is not to factory specifications. Indicates Engine Oil Temperature signal voltage is high (low temperature).

OBDII Code P0198 2007 Ford Fusion - Engine Oil Temperature Sensor Circuit High Input - AutoCodes.com — P0198 2007 Ford Fusion Code - Engine Oil Temperature Sensor Circuit High Input

What does this mean?

What are the Possible Causes of the DTC P0198 2007 Ford Fusion?

Faulty Engine Oil Temperature sensor
Engine Oil Temperature sensor harness is open or shorted
Engine Oil Temperature sensor circuit poor electrical connection

How to Fix the DTC P0198 2007 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0198 2007 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0198 2007 Ford Fusion code?

Need more information on how to fix the P0198 2007 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0198 2007 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0198 2007 Ford Fusion Code

1. What are the common symptoms of OBDII code P0198 on a 2007 Ford Fusion?

- Common symptoms include the Check Engine Light being illuminated, engine running rough, poor fuel efficiency, and potential issues with the transmission shifting.

2. What does the OBDII code P0198 for a 2007 Ford Fusion indicate?

- This code specifically points to a problem with the Engine Oil Temperature Sensor Circuit showing a high input signal.

3. What are the possible causes of OBDII code P0198 on a 2007 Ford Fusion?

- Potential causes include a faulty engine oil temperature sensor, wiring issues in the sensor circuit, a malfunctioning PCM (Powertrain Control Module), or low engine oil levels.

4. How can I diagnose the cause of OBDII code P0198 on my 2007 Ford Fusion?

- Diagnosing this code typically involves using a scan tool to read the code, checking the engine oil temperature sensor for any visible damage, testing the sensor's resistance, and inspecting the wiring for any issues.

5. Can I continue driving my 2007 Ford Fusion with OBDII code P0198?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to potential engine performance issues and further damage if left unresolved.

6. How can I repair OBDII code P0198 on my 2007 Ford Fusion?

- Repairing this code may involve replacing the engine oil temperature sensor, repairing any damaged wiring in the circuit, or reprogramming the PCM if necessary.

7. Can I reset the Check Engine Light after fixing OBDII code P0198 on my 2007 Ford Fusion?

- Yes, once the underlying issue causing the code is fixed, you can reset the Check Engine Light using an OBDII scan tool to clear the code.

8. How much does it typically cost to repair OBDII code P0198 on a 2007 Ford Fusion?

- The cost of repair can vary depending on the specific cause of the code, but it may range from $100 to $300 for parts and labor.

9. Are there any preventive measures to avoid OBDII code P0198 on a 2007 Ford Fusion?

- Regularly checking and maintaining proper engine oil levels, as well as inspecting the engine oil temperature sensor and wiring for any signs of wear or damage, can help prevent this code from appearing.

10. Will OBDII code P0198 affect the overall performance of my 2007 Ford Fusion?

- Yes, if left unaddressed, OBDII code P0198 can potentially impact the engine's performance, fuel efficiency, and overall drivability of the vehicle.